题目内容：

We can find a book about computers.变为一般疑问句.
My books about computer are on that shelf.(对 on that shelf 提问）
I want to make an e-card for Mum.(变为否定句）
帮帮吗吧!~~~~~~~~~急

优质解答

Can you find a book about computers?
Where are your books about computers?
I don't want to make an e-card for Mum.